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Detectives said a man who arrived at the party with the hired DJ got angry and started shooting, wounding three teenagers, including the birthday girl.

"The host of the birthday party kind of ended the party kind of abruptly for whatever reason, and the individuals supplying the music got upset at the fact they were stopping the music, and that's what led to the shooting," Lt. Tony Consalo said.

According to the incident report, the mother of the birthday girl halted the party when she saw the friend's DJ dancing with a gun.

Detectives said the DJ and three friends left angry, and one of them opened fire from outside.

Two of the victims were treated and released from the hospital. The birthday girl was shot in the back and underwent surgery, a man at the house Monday told WPBF 25 News.

Detectives located a car believed to be involved in the shooting in Fort Pierce. It had a bullet hole in the windshield.

"We do believe the suspect was inside the vehicle," Consalo said. "He may have shot from the vehicle or somehow a projectile may have ended up in the vehicle, but we are quite certain that this vehicle was involved in the shooting at the birthday party."